-29.7% is the change from 431 to 303
Calculation steps:
[( 303 - 431 ) ÷ 431] x 100 = -29.7%
Formula
Percentage change = [(303 - 431) / 431] x 100
Subtract the new number by the original number
303 - 431 = -128
-128 ÷ 431 = -0.29698375870069604
-0.29698375870069604 x 100 = -29.7%